Pharmaceutical-grade peptides & lab-use compounds available online.
Free US shipping for orders above $600
Skip to content Pharmaceutical-grade peptides & lab-use compounds available online.
Free US shipping for orders above $600
This product is intended solely for use as a research chemical in vitro and laboratory experimentation by licensed, qualified professionals.
Mesterolone was first described by 1966 and introduced for medical use by 1967.It is used mainly in the treatment of low testosterone levels.It has also been used to treat male infertility, although this use is controversial.In addition to its medical use, mesterolone has been used to improve physique and performance.
| Specifications | Price |
|---|---|
| 25mg*100tablets | $85.00 |
HPLS
Testing
Endotoxin
Assay
TAMC
Test
TYMC
Test
Heavy Metal
Screening
| Characteristic | Details |
|---|---|
| Molecular Formula | C₂₀H₃₂O₂ |
| Molecular Weight | 364.91g/mol |
| CAS Number | 855-19-6 |
Androgen receptor activation – Proviron strongly binds to androgen receptors, enhancing muscle hardness, density, and vascularity without causing excessive water retention
Anti-estrogenic activity – By binding to sex hormone-binding globulin (SHBG), Proviron frees up more circulating testosterone. This increases the ratio of androgens to estrogens, helping reduce estrogen-driven side effects like water retention or gynecomastia
Libido and mood enhancement – Because of its DHT foundation, Proviron is particularly effective at boosting sex drive, mood, and overall sense of well-being — one of the reasons it’s sometimes prescribed in cases of male infertility or depression.
Stacking benefits – Proviron doesn’t add significant bulk on its own, but when stacked, it can improve the effectiveness of other anabolic steroids by reducing estrogen buildup and maximizing free testosterone availability.
Improves libido and male performance.
Enhances mood, confidence, and well-being.
Reduces estrogen-related side effects in steroid cycles.
Provides a “dry” and vascular muscle look.
Non-hepatotoxic in normal therapeutic doses (less harmful to the liver compared to some oral steroids).
Medical Uses
In Performance & Bodybuilding
Mesterolone has carved a niche in the fitness and bodybuilding community, though not as a muscle-building compound. Instead, it is often valued for:
Like all androgens, Mesterolone may cause side effects, particularly with long-term or high-dose use:
All product is sold solely for scientific research purposes. Researchers are responsible for ensuring compliance with local regulations and institutional guidelines. Keep out of reach of children and unauthorized personnel.
1688pharma is more than just a trusted supplier of research peptides. We are committed to scientific advancement, dedicated to providing the highest quality pharmaceutical-grade compounds that empower researchers and clients to achieve their goals.
Our proprietary processes and meticulous sourcing of premium materials ensure that every peptide we offer meets the most stringent pharmaceutical standards with verified 99% purity.
Every peptide undergoes rigorous third-party laboratory testing using advanced techniques like HPLC, LC-MS, and NMR. Complete Certificates of Analysis available for transparency and verification.
We provide expedited worldwide shipping with reliable tracking and discreet packaging. Our dedicated customer support team assists with orders, storage guidelines, and product inquiries promptly.
